raw materials - self build - where best value?

[dawnsurprise]

brother building an extension at the moment - self build - meath area
can anyone please advise where to get the best value to buy the following raw materials (meath or dublin)

blocks
timber
roof slates


anyfeedback welcome

 

[Sue Ellen]

This thread might be of interest Self-builders - beware of over-pricing

You may find some useful threads here especially Material supply - self-build

Have you had a read of www.iaosb.com or [broken link removed]